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BUG#13431369 - MAIN.VARIABLES-NOTEMBEDDED CRASHES THE SERVER SPORADICALLY ON WINDOWS

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On shutdown(), Windows can drop traffic still queued for sending even if that
wasn't specifically requested. As a result, fatal errors (those after
signaling which the server will drop the connection) were sometimes only
seen as "connection lost" on the client side, because the server-side
shutdown() erraneously discarded the correct error message before sending
it.

If on Windows, we now use the Windows API to access the (non-broken) equivalent
of shutdown().

Backport from trunk
This commit is contained in:
Tatjana Azundris Nuernberg
2012-02-19 09:00:52 +00:00
parent 5dbdb4db99 a775a1844e
commit 7d059dcbcd
3 changed files with 48 additions and 9 deletions
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3
include/violite.h
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@@ -59,6 +59,9 @@ Vio* vio_new_win32shared_memory(HANDLE handle_file_map,
#define HANDLE void *
#endif /* __WIN__ */
/* backport from 5.6 where it is part of PSI, not vio_*() */
int mysql_socket_shutdown(my_socket mysql_socket, int how);
void vio_delete(Vio* vio);
int vio_close(Vio* vio);
void vio_reset(Vio* vio, enum enum_vio_type type,